Puffy, white, fair-weather clouds that float about a mile above the earth.
What are cumulus clouds?
100
Storm with a dark funnel of strong winds that spiral upward.
What is a tornado?
200
Area's pattern of weather over a long period of time.
What is the climate?
200
Measures wind speed.
What is an anenometer?
200
When water vapour in a cloud is directly converted into an ice crystal.
What is snow (or snowflakes)?
200
Dark clouds that billow 8-10 miles into the atmosphere, and are often associated with rain, thunder, lightning, and tornadoes.
What are cumulonimbus clouds?
200
Tropical storms that start as small thunderstorms over warm water.
What are hurricanes?
300
The pressure in areas where air moves slowly towards the ground.
What is high pressure?
300
Measures the direction of wind.
What is a wind vane?
300
When raindrops fall through the air when it is below freezing outside and become solid ice particles.
What is sleet?
300
Dark grey clouds that produce hours of rain or snow and sit low in the sky.
What are nimbostratus clouds?
300
Electrical charges build up in these storms which are released in lightning.
What are thunderstorms?
400
Rotation when collected water evaporates into water vapour, which condenses into clouds, then clouds fill up with enough water, the water precipitates to the earth and collects in oceans, lakes, and rivers.
What is the water cycle?
400
Measures the amount of air pressure in the atmosphere.
What is a barometer?
400
When ice pellets in a cloud move up and down in a cloud updraft.
What is hail?
400
Feathery wisps and curls made of ice crystals that sit very high in the atmosphere.
What are cirrus clouds?
400
Strong winds, freezing temperatures, and deep snow are the main dangers in this type of weather.
What are blizzards?
500
The amount of water vapour that is in the air.
What is humidity?
500
Measures the amount of precipitation, or rain.
What is a rain gauge?
500
Water drops falling through cold air and does not completely freeze until it touches the ground.
What is freezing rain?
500
Flat layers, or blankets, of grey clouds, which often carry drizzle. At ground level it is called fog.
What are stratus clouds?
500
The difference between weather and severe weather.
What is danger to humans/animals and damage to property?